U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL 81. ART. 13 PL, 7 



'2C>. Phnliirr ijiistriijihilii>>: .Mtcr Ko.'^sack, i'.llO. 

 27, 2H. Opixthorchis hniikoUis: After Braun, IS!):); 2S, from Ilntkhocriis grypiis, original. 

 2',), 30. Sli phnnoprora dentkulata: 29, From yjilophus californianus, original; 30, anterior end. 

 oiiKiiial. 



